A matrix is a rectangular array of number. A matrix's dimension is in the form rows x columns. Both addition and subtraction of matrices worked in a way you might expect. Simply line up values in the same position and find their sum or difference. Matrix multiplication isn't so simple, here is how to learn to multiply matrices in 12 straight forward steps. Once you understand how to multiply the matrix, try a few questions on this worksheet.

## Comments

I dont know how to do this homework I need help

Any reason that anyone would want to know how to multiply matrices other than because it comes up in math class?

That’s the only reason I do math, it comes up in math class. Why else would I need tutorials? I take math because I have to, otherwise I wouldn’t.

Ms. Russell, it seems you got a right on hour hands!